Question

Question 8 of 16

Answer 1

Answer:

Explanation:

PE = mgh where m is the mass, g is gravity, and h is the height from which the object can potentially fall. We are given enough info here to solve for h. Filling in:

42 = 1.8(9.8)h and

$h=\frac{42}{(1.8)(9.8)}$ and rounding to 2 sig fig's as we need:

h = 2.4 m, choice D